A man has been taken to hospital after a serious incident on the M11 northbound carriageway at Junction 7 for Harlow.
Police were called to the scene shortly after 6.10pm where the man was found in the carriageway with serious head injuries.
The M11 has been closed northbound between junctions 6 and 7 while investigations are carried out, it is expected to re-open at 1.30 am.
Motorists are advised to use alternative routes as delays are likely.
Anyone with information about the incident is asked to contact Essex Police on 101.
